Home / 82,853.64-124,300.31-26,699.04

Finding the Fourth Proportional to 82,853.64, 124,300.31 and 26,699.04

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Solution

The fourth proportional to 82,853.64, 124,300.31 and 26,699.04 is: 40,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,853.64 : 124,300.31 = 26,699.04 : x
  2. Step 2: Convert to fraction form
    82,853.64/124,300.31 = 26,699.04/x
  3. Step 3: Cross multiply
    82,853.64x = 124,300.31 × 26,699.04
  4. Step 4: Simplify right side
    82,853.64x = 3,318,698,815.21
  5. Step 5: Solve for x
    x = 3,318,698,815.21/82,853.64
  6. Step 6: Final answer
    x = 40,054.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.